TERN, an NCRIS-enabled project, provides researchers with open access to Australia's land-based ecosystem monitoring infrastructure, data and research tools that facilitate research on the understanding and long-term sustainable management of Australia's ecosystems.TERN delivers:1) Ecosystem data and the programs to collect it including plot data from surveillance and targeted monitoring programs; gas, energy, and nutrient exchanges; remote sensing data; modelled data products about soil, climate, and landscape attributes; and vegetation and soil samples for physical analysis;2) Tools for the research community including national consistent field methods, data collection apps, and data publishing tools; and3) Data infrastructure that supports discovery, access, and re-use of ecosystem data collected by TERN and others.